// **********************************************************************************
//
// BSD License.
// This file is part of upnpx.
//
// Copyright (c) 2010-2011, Bruno Keymolen, email: bruno.keymolen@gmail.com
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, 
// this list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice, this 
// list of conditions and the following disclaimer in the documentation and/or other 
// materials provided with the distribution.
// Neither the name of "Bruno Keymolen" nor the names of its contributors may be 
// used to endorse or promote products derived from this software without specific 
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
// POSSIBILITY OF SUCH DAMAGE.
//
// **********************************************************************************


#ifndef _SSDPDB_H
#define _SSDPDB_H

#include "ssdptools.h"
#include <vector>
#include "ssdpdbdevice.h"
#include "ssdpdbobserver.h"
#include <pthread.h>

using namespace std;


#define CACHE_CONTROL_TIMEOUT 30

class SSDPDB{
public:
	SSDPDB();
	~SSDPDB();

	int Start();
	int Stop();
	
	int AddObserver(SSDPDBObserver* obs);	
	int RemoveObserver(SSDPDBObserver* obs);	
	
	SSDPDBDevice* GetDevice(u8* usn, u32 usnlen);
	SSDPDBDevice* InsertDevice(u8* usn, u32 usnlen);
	int DeleteDevice(u8* usn, u32 usnlen);
	int DeleteDevicesByUuid(u8* uuid, u32 uuidlen);	
	vector<SSDPDBDevice*> GetDevices();

	void Lock();
	void Unlock();
	void DeviceUpdate(SSDPDBDevice* device);
	void ServiceUpdate(SSDPDBDevice* service);
	int UpdateCacheControl(u8* uuid, u32 uuidlen, int cachecontrol);
private:
	vector<SSDPDBDevice*> mDevices;
	vector<SSDPDBObserver*> mObservers;
	pthread_mutexattr_t mMutexAccessAttr;
	pthread_mutex_t mMutexAccess;
	pthread_t mCacheControlThread;
	int CacheControlLoop();
	u8 mRun;
private:
	SSDPDB(const SSDPDB &src);
	SSDPDB& operator= (const SSDPDB &src);		
private:
	static void* sCacheControlLoop(void* data);
};


#endif //_SSDPDB_H